package edu.zjut.day2;

import java.util.Set;

public class GenericDao<T>{
	
	public void add(T x){
		
	}
	
	public T findById(int id){
		return null;
	}
	
	public void delete(T obj){
		
	}
	
	public void update(T obj){
		
	}
	
	public Set<T> findByCondition(String where){
		return null;
	}
}